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This Product Bulletin describes the content and delivery information concerning Cisco IOS(TM) software release train 12.2BC. This release train is focused on the ubr7100, ubr7200 and ubr10k platforms. The features delivered with this release will be incorporated into the 12.3T release train, but 12.2BC represents a release vehicle that provides these features sooner. For more information about the Cisco IOS software release process, please see Product Bulletin #537.

The 12.2BC release train is the migration path for several previous X releases. This means that the 12.2BC train contains all the Cisco ubr7200, ubr7100 and ubr10k functionality of these previous releases and any of their rebuilds:

12.1(4)CX

12.1(7)CX

12.2(1)XF

12.2(2)XF

12.2(4)XF

Anyone using any of these short lived releases should upgrade to the latest 12.2BC release at their earliest convenience. All bug fixes, enhancements and support for these releases will be done through the 12.2BC train, as it is the migration path for them.

For information regarding the specific new features available in each release of the 12.2BC release train, please see the release notes for each release. Those release notes can be found at the following link: